what are the information about triangles
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Step-by-step explanation:
A triangle is a polygon with three edges and three vertices. It is one of the basic shapes in geometry. A triangle with vertices A, B, and C is denoted \triangle ABC. In Euclidean geometry, any three points, when non-collinear, determine a unique triangle and simultaneously, a unique plane...
triangleNumber of vertices: 3Number of edges: 3Internal angle: 60° (for equilateral)
Sum of interior angles: 180°
Line of symmetry: 3
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